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Mistral now trains on user input by default, except on enterprise tier

Original article
help.mistral.ai|258 points|119 comments|by teekert|Sep 2, 2026

Mistral's Updated Data Training Policy: Opt-Out Guide

Note: This documentation is provided under the SIL Open Font License, Version 1.1.


Overview of Data Usage

Mistral has updated its policies regarding how user-generated content is handled. In specific scenarios, your input and output data—which encompasses conversations, uploaded files, and other content provided by the user—may be integrated into Mistral's model training pipelines.

🔑 User Sovereignty: You maintain complete authority over this process and possess the right to withdraw your data from these training programs at any moment.

The mathematical logic of their data collection can be viewed as: Training Set=∑(User Inputs+Model Outputs)−Opt-Outs\text{Training Set} = \sum (\text{User Inputs} + \text{Model Outputs}) - \text{Opt-Outs}Training Set=∑(User Inputs+Model Outputs)−Opt-Outs


Training Defaults by Tier

The default setting for data collection depends entirely on your account level:

Account TierDefault Training StatusManagement Level
Standard UserEnabled (Opt-in by default)Individual User
EnterpriseEnabled DisabledAdmin Level

How to Opt Out of Training

Because Mistral operates across different platforms, the method for opting out varies. Crucially, opting out of one service does not automatically opt you out of others.

1. Vibe (Web Interface)

Note: Vibe Le Chat has been rebranded simply as Vibe.

To stop your interactions from being used for training:

  1. Navigate to the Manage section of your account.
  2. Select Vibe.
  3. Locate the Privacy area.
  4. Switch the toggle Allow your interactions to be used to train our models to Off.

📌 Important: Any documents you upload or attach within Vibe are classified as input data. If you wish to keep these documents private from the training set, you must disable the toggle.

2. Vibe (Mobile App)

For users on iOS and Android, follow these steps:

  • Open the Settings menu.
  • Find the Data Account Controls panel.
  • Uncheck the box labeled Enable data sharing.

3. Mistral Studio & API

API and Studio data are handled separately from Vibe. To opt out:

  1. Access the Admin panel.
  2. Click on the Privacy menu in the left-hand sidebar.
  3. Under the Anonymous improvement data section, disable the toggle. This prevents API calls and associated metadata from being used for service improvements.

Opt-Out Workflow Logic


Summary Checklist for Full Privacy

If you want to ensure none of your data is used across any Mistral service, complete the following:

  • Disable training in Vibe Web settings.
  • Deselect data sharing in the Vibe Mobile app.
  • Turn off anonymous improvement data in the Studio/API Admin panel.

Technical Implementation Note

When a user triggers the opt-out, the system logic follows a strict boolean check:

def check_training_eligibility(user_profile):
    if user_profile.tier == "Enterprise":
        return False # Opted out by default
    if user_profile.opt_out_enabled == True:
        return False # User manually opted out
    return True # Data is used for training

Additional Resources & FAQ

  • Security: Mistral employs encryption for data both at rest and in transit.
  • Compliance: Information regarding the EU's Digital Services Act (DSA), subprocessors, and the company Code of Conduct is available in the regulatory section.
  • Support: For account updates (2FA, email) or subscription management on mobile, please refer to the Help and Troubleshooting center.